公开(公告)号：US07978406B2

公开(公告)日：2011-07-12

申请号：US12588430

申请日：2009-10-15

申请人： Fu-Ming Chuang ,  Ching-Shiang Li ,  Chun-Chien Liao

发明人： Fu-Ming Chuang ,  Ching-Shiang Li ,  Chun-Chien Liao

IPC分类号： G03B21/60

CPC分类号： G03B21/56

摘要： A projection screen includes a reflection layer, a light absorbing structure, a plurality of light diffusion layers, and a lens structure. The light absorbing structure is disposed on the reflection layer and has a plurality of apertures. A part of the reflection layer is exposed via the apertures. The light diffusion layers have a first index of refraction. Each of the light diffusion layer is disposed in the corresponding aperture and contacts the corresponding reflection layer exposed via the corresponding aperture. The lens structure is disposed on the light diffusion layers and the light absorbing structure. A light incidence side of the lens structure includes a plurality of convex lenses. The convex lenses are respectively corresponding with the light diffusion layers. The lens structure has a second index of refraction, and the second index of refraction is smaller than the first index of refraction.

摘要翻译： 投影屏幕包括反射层，光吸收结构，多个光扩散层和透镜结构。 光吸收结构设置在反射层上并具有多个孔。 反射层的一部分经由孔露出。 光扩散层具有第一折射率。 每个光扩散层设置在相应的孔中，并接触通过相应孔露出的对应反射层。 透镜结构设置在光扩散层和光吸收结构上。 透镜结构的光入射侧包括多个凸透镜。 凸透镜分别对应于光扩散层。 透镜结构具有第二折射率，第二折射率小于第一折射率。

公开(公告)号：US20100103513A1

公开(公告)日：2010-04-29

申请号：US12588430

申请日：2009-10-15

申请人： Fu-Ming Chuang ,  Ching-Shiang Li ,  Chun-Chien Liao

发明人： Fu-Ming Chuang ,  Ching-Shiang Li ,  Chun-Chien Liao

IPC分类号： G03B21/56

CPC分类号： G03B21/56

摘要： A projection screen includes a reflection layer, a light absorbing structure, a plurality of light diffusion layers, and a lens structure. The light absorbing structure is disposed on the reflection layer and has a plurality of apertures. A part of the reflection layer is exposed via the apertures. The light diffusion layers have a first index of refraction. Each of the light diffusion layer is disposed in the corresponding aperture and contacts the corresponding reflection layer exposed via the corresponding aperture. The lens structure is disposed on the light diffusion layers and the light absorbing structure. A light incidence side of the lens structure includes a plurality of convex lenses. The convex lenses are respectively corresponding with the light diffusion layers. The lens structure has a second index of refraction, and the second index of refraction is smaller than the first index of refraction.

摘要翻译： 投影屏幕包括反射层，光吸收结构，多个光扩散层和透镜结构。 光吸收结构设置在反射层上并具有多个孔。 反射层的一部分经由孔露出。 光扩散层具有第一折射率。 每个光扩散层设置在相应的孔中，并接触通过相应孔露出的对应反射层。 透镜结构设置在光扩散层和光吸收结构上。 透镜结构的光入射侧包括多个凸透镜。 凸透镜分别对应于光扩散层。 透镜结构具有第二折射率，第二折射率小于第一折射率。

公开(公告)号：US20120106198A1

公开(公告)日：2012-05-03

申请号：US13253087

申请日：2011-10-05

申请人： Huei-Tzu Lin ,  Chun-Chien Liao ,  Tung-Min Su

发明人： Huei-Tzu Lin ,  Chun-Chien Liao ,  Tung-Min Su

IPC分类号： F21V7/00 ,  F21V8/00 ,  F21V13/00 ,  F21V11/00

CPC分类号： G02B6/0083 ,  F21Y2103/33 ,  F21Y2105/00 ,  F21Y2115/10 ,  G02B6/0045 ,  G02B6/0068

摘要： A flat light source module including a light guide plate, a flexible circuit board and a light emitting device is provided. The light guide plate has a light incident surface, a light exit surface and a bottom surface opposite to the light exit surface, wherein the light incident surface further includes a light incident curved surface, and the light incident curved surface is connected with the light exit surface and the bottom surface. The flexible circuit board is disposed beside the light incident curved surface along the light incident curved surface of the light guide plate. The light emitting device is disposed on the flexible circuit board, and the light emitting device has a light emitting surface facing the light incident curved surface.

摘要翻译： 提供了包括导光板，柔性电路板和发光装置的平坦光源模块。 所述导光板具有光入射面，光出射面和与所述光出射面相反的底面，所述光入射面还包括光入射曲面，所述光入射曲面与所述光出射口 表面和底面。 柔性电路板沿导光板的光入射弯曲表面设置在光入射弯曲表面旁边。 发光器件设置在柔性电路板上，并且发光器件具有面向光入射弯曲表面的发光表面。

公开(公告)号：US20110102377A1

公开(公告)日：2011-05-05

申请号：US12886500

申请日：2010-09-20

申请人： Chun-Chien Liao ,  Chih-Jen Tsang ,  Yu-Lun Jhu ,  Chwen-Tay Hwang ,  Hai-Yuan Wu

发明人： Chun-Chien Liao ,  Chih-Jen Tsang ,  Yu-Lun Jhu ,  Chwen-Tay Hwang ,  Hai-Yuan Wu

IPC分类号： G06F3/042

CPC分类号： G06F3/0428 ,  G02B6/0068

摘要： An optical touch apparatus including a first light emitting device, a second light emitting device, a third light emitting device, a fourth light emitting device, a first image detector, a second image detector, and a control unit is provided. The control unit controls the average brightness of the third light emitting device less than each of the average brightness of the second light emitting device and the fourth light emitting device when the control unit controls the first image detector to detect an image. The control unit controls the average brightness of the second light emitting device less than each of the average brightness of the first light emitting device and the third light emitting device when the control unit controls the second image detector to detect an image. A driving method is also provided.

摘要翻译： 提供了包括第一发光器件，第二发光器件，第三发光器件，第四发光器件，第一图像检测器，第二图像检测器和控制单元的光学触摸设备。 当控制单元控制第一图像检测器以检测图像时，控制单元控制第三发光器件的平均亮度小于第二发光器件和第四发光器件的每个平均亮度。 当控制单元控制第二图像检测器以检测图像时，控制单元控制第二发光器件的平均亮度小于第一发光器件和第三发光器件的平均亮度的平均亮度。 还提供了驱动方法。

公开(公告)号：US20100091366A1

公开(公告)日：2010-04-15

申请号：US12588133

申请日：2009-10-06

申请人： Tzeng-Ke Shiau ,  Chun-Chien Liao

发明人： Tzeng-Ke Shiau ,  Chun-Chien Liao

IPC分类号： G03B21/60

CPC分类号： G03B21/60

摘要： A screen of a projector having a substrate and a plurality of asymmetric optical structures is provided. There is a plurality of light absorbing zones and a plurality of reflective zones alternatively disposed on a surface of the substrate facing the projector. The asymmetric optical structures are disposed on the surface of the substrate and correspond to the reflective zones, respectively. The asymmetric optical structure has a first curved surface and a second curved surface, and the first curved surface protrudes toward the projector for converging an incident light from the projector on the reflective zone, and the second curved surface is disposed at a side of the first curved surface away from the projector for refracting a reflective light from the reflective zones toward the normal direction of the surface of the substrate.

摘要翻译： 提供具有基板和多个不对称光学结构的投影仪的屏幕。 存在多个光吸收区域和多个反射区域，交替地设置在面向投影仪的基板的表面上。 不对称光学结构分别设置在基板的表面上并对应于反射区域。 所述非对称光学结构具有第一弯曲表面和第二弯曲表面，并且所述第一弯曲表面朝向所述投影仪突出，以将来自所述投影仪的入射光聚焦在所述反射区域上，并且所述第二弯曲表面设置在所述第一弯曲表面 弯曲表面远离投影仪，用于折射来自反射区域的反射光朝向基板表面的法线方向。

公开(公告)号：US08702295B2

公开(公告)日：2014-04-22

申请号：US13253087

申请日：2011-10-05

申请人： Huei-Tzu Lin ,  Chun-Chien Liao ,  Tung-Min Su

发明人： Huei-Tzu Lin ,  Chun-Chien Liao ,  Tung-Min Su

IPC分类号： F21V7/04

CPC分类号： G02B6/0083 ,  F21Y2103/33 ,  F21Y2105/00 ,  F21Y2115/10 ,  G02B6/0045 ,  G02B6/0068

摘要： A flat light source module including a light guide plate, a flexible circuit board and a light emitting device is provided. The light guide plate has a light incident surface, a light exit surface and a bottom surface opposite to the light exit surface, wherein the light incident surface further includes a light incident curved surface, and the light incident curved surface is connected with the light exit surface and the bottom surface. The flexible circuit board is disposed beside the light incident curved surface along the light incident curved surface of the light guide plate. The light emitting device is disposed on the flexible circuit board, and the light emitting device has a light emitting surface facing the light incident curved surface.

摘要翻译： 提供了包括导光板，柔性电路板和发光装置的平坦光源模块。 所述导光板具有光入射面，光出射面和与所述光出射面相反的底面，所述光入射面还包括光入射曲面，所述光入射曲面与所述光出射口 表面和底面。 柔性电路板沿导光板的光入射弯曲表面设置在光入射弯曲表面旁边。 发光器件设置在柔性电路板上，并且发光器件具有面向光入射弯曲表面的发光表面。

公开(公告)号：US07961390B2

公开(公告)日：2011-06-14

申请号：US12588133

申请日：2009-10-06

申请人： Tzeng-Ke Shiau ,  Chun-Chien Liao

发明人： Tzeng-Ke Shiau ,  Chun-Chien Liao

IPC分类号： G03B21/60

CPC分类号： G03B21/60

摘要： A screen of a projector having a substrate and a plurality of asymmetric optical structures is provided. There is a plurality of light absorbing zones and a plurality of reflective zones alternatively disposed on a surface of the substrate facing the projector. The asymmetric optical structures are disposed on the surface of the substrate and correspond to the reflective zones, respectively. The asymmetric optical structure has a first curved surface and a second curved surface, and the first curved surface protrudes toward the projector for converging an incident light from the projector on the reflective zone, and the second curved surface is disposed at a side of the first curved surface away from the projector for refracting a reflective light from the reflective zones toward the normal direction of the surface of the substrate.

摘要翻译： 提供具有基板和多个不对称光学结构的投影仪的屏幕。 存在多个光吸收区域和多个反射区域，交替地设置在面向投影仪的基板的表面上。 不对称光学结构分别设置在基板的表面上并对应于反射区域。 所述非对称光学结构具有第一弯曲表面和第二弯曲表面，并且所述第一弯曲表面朝向所述投影仪突出，以将来自所述投影仪的入射光聚焦在所述反射区域上，并且所述第二弯曲表面设置在所述第一弯曲表面 弯曲表面远离投影仪，用于折射来自反射区域的反射光朝向基板表面的法线方向。

公开(公告)号：US20110080374A1

公开(公告)日：2011-04-07

申请号：US12875103

申请日：2010-09-02

申请人： Hua-Te Feng ,  Chun-Chien Liao ,  Chia-Hung Yu

发明人： Hua-Te Feng ,  Chun-Chien Liao ,  Chia-Hung Yu

IPC分类号： G06F3/042 ,  F21V8/00

CPC分类号： G06F3/0428

摘要： An optical touch apparatus includes at least one light source, at least one light guide unit, at least one optical detector, and a light reducing structure. The light source is disposed beside a display area of a display and capable of providing a light beam. The light guide unit is disposed beside the display area and in a transmission path of the light beam. The light guide unit has a first surface, a second surface, and a light incident surface. The light beam is capable of entering the light guide unit through the light incident surface and being transmitted to a sensing space in front of the display area through the first surface. The optical detector is disposed beside the display area. The light reducing structure covers a portion of the first surface adjacent to the light incident surface.

摘要翻译： 光学触摸装置包括至少一个光源，至少一个导光单元，至少一个光学检测器和减光结构。 光源设置在显示器的显示区域旁边并且能够提供光束。 导光单元设置在显示区域旁边和光束的传输路径中。 导光单元具有第一表面，第二表面和光入射表面。 光束能够通过光入射表面进入导光单元，并通过第一表面传输到显示区域前面的感测空间。 光学检测器设置在显示区域旁边。 减光结构覆盖与光入射表面相邻的第一表面的一部分。

公开(公告)号：US08884923B2

公开(公告)日：2014-11-11

申请号：US12881176

申请日：2010-09-14

申请人： Chih-Jen Tsang ,  Chun-Chien Liao ,  Yu-Lun Jhu ,  Cheng-Yi Lien

发明人： Chih-Jen Tsang ,  Chun-Chien Liao ,  Yu-Lun Jhu ,  Cheng-Yi Lien

IPC分类号： G06F3/042 ,  F21V8/00

CPC分类号： G06F3/0428 ,  G02B6/0028 ,  G02B6/0043 ,  G02B6/0061

摘要： An optical touch apparatus includes a light source, light guide unit, and optical detector. The light source next to the display area emits a beam. The light guide unit next to the display area and in the transmission path of the beam includes a light guide body and a Lambertian scattering structure. The light guide body has first, second, third, fourth, and light incident surfaces. The beam enters the light guide body through the light incident surface and is transmitted from the first surface to a sensing space in front of the display area. The Lambertian scattering structure is disposed on at least one of the second, third, and fourth surfaces for scattering the beam to the first surface. The optical detector next to the display area senses a change in light intensity of the beam in the sensing space. An optical touch display apparatus is also provided.

摘要翻译： 光学触摸装置包括光源，导光单元和光学检测器。 显示区旁边的光源发射光束。 在显示区域和光束的传输路径中的导光单元包括导光体和朗伯散射结构。 导光体具有第一，第二，第三，第四和光入射表面。 光束通过光入射表面进入导光体，并从第一表面传输到显示区域前面的感测空间。 朗伯散射结构设置在第二，第三和第四表面中的至少一个上，用于将光束散射到第一表面。 显示区域旁边的光学检测器检测感测空间中的光束的光强度的变化。 还提供了一种光学触摸显示装置。

公开(公告)号：US08830210B2

公开(公告)日：2014-09-09

申请号：US12886500

申请日：2010-09-20

申请人： Chun-Chien Liao ,  Chih-Jen Tsang ,  Yu-Lun Jhu ,  Chwen-Tay Hwang ,  Hai-Yuan Wu

发明人： Chun-Chien Liao ,  Chih-Jen Tsang ,  Yu-Lun Jhu ,  Chwen-Tay Hwang ,  Hai-Yuan Wu

IPC分类号： G06F3/042 ,  G06K11/06

CPC分类号： G06F3/0428 ,  G02B6/0068

摘要： An optical touch apparatus including a first light emitting device, a second light emitting device, a third light emitting device, a fourth light emitting device, a first image detector, a second image detector, and a control unit is provided. The control unit controls the average brightness of the third light emitting device less than each of the average brightness of the second light emitting device and the fourth light emitting device when the control unit controls the first image detector to detect an image. The control unit controls the average brightness of the second light emitting device less than each of the average brightness of the first light emitting device and the third light emitting device when the control unit controls the second image detector to detect an image. A driving method is also provided.

摘要翻译： 提供了包括第一发光器件，第二发光器件，第三发光器件，第四发光器件，第一图像检测器，第二图像检测器和控制单元的光学触摸设备。 当控制单元控制第一图像检测器以检测图像时，控制单元控制第三发光器件的平均亮度小于第二发光器件和第四发光器件的每个平均亮度。 当控制单元控制第二图像检测器以检测图像时，控制单元控制第二发光器件的平均亮度小于第一发光器件和第三发光器件的平均亮度的平均亮度。 还提供了驱动方法。